Re: [PATCH v4 4/5] arm64: dts: qcom: sm8450: switch to usb3/dp combo phy

From: Konrad Dybcio
Date: Tue Mar 14 2023 - 18:13:54 EST




On 9.03.2023 10:19, Neil Armstrong wrote:
> The QMP PHY is a USB3/DP combo phy, switch to the newly
> documented bindings and register the clocks to the GCC
> and DISPCC controllers.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
> arch/arm64/boot/dts/qcom/sm8450.dtsi | 42 +++++++++++++-----------------------
> 1 file changed, 15 insertions(+), 27 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 1a744a33bcf4..6caa2c8efb46 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -11,6 +11,7 @@
> #include <dt-bindings/dma/qcom-gpi.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/mailbox/qcom-ipcc.h>
> +#include <dt-bindings/phy/phy-qcom-qmp.h>
> #include <dt-bindings/power/qcom-rpmpd.h>
> #include <dt-bindings/interconnect/qcom,sm8450.h>
> #include <dt-bindings/soc/qcom,gpr.h>
> @@ -748,7 +749,7 @@ gcc: clock-controller@100000 {
> <&ufs_mem_phy_lanes 0>,
> <&ufs_mem_phy_lanes 1>,
> <&ufs_mem_phy_lanes 2>,
> - <0>;
> + <&usb_1_qmpphy QMP_USB43DP_USB3_PIPE_CLK>;
> clock-names = "bi_tcxo",
> "sleep_clk",
> "pcie_0_pipe_clk",
> @@ -2034,37 +2035,24 @@ usb_1_hsphy: phy@88e3000 {
> resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
> };
>
> - usb_1_qmpphy: phy-wrapper@88e9000 {
> - compatible = "qcom,sm8450-qmp-usb3-phy";
> - reg = <0 0x088e9000 0 0x200>,
> - <0 0x088e8000 0 0x20>;
> - status = "disabled";
> - #address-cells = <2>;
> - #size-cells = <2>;
> - ranges;
> + usb_1_qmpphy: phy@88e8000 {
> + compatible = "qcom,sm8450-qmp-usb3-dp-phy";
> + reg = <0 0x088e8000 0 0x4000>;
>
> clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
> <&rpmhcc RPMH_CXO_CLK>,
> - <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>;
> - clock-names = "aux", "ref_clk_src", "com_aux";
> + <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
> + <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> + clock-names = "aux", "ref", "com_aux", "usb3_pipe";
>
> resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
> <&gcc GCC_USB3_PHY_PRIM_BCR>;
> reset-names = "phy", "common";
>
> - usb_1_ssphy: phy@88e9200 {
> - reg = <0 0x088e9200 0 0x200>,
> - <0 0x088e9400 0 0x200>,
> - <0 0x088e9c00 0 0x400>,
> - <0 0x088e9600 0 0x200>,
> - <0 0x088e9800 0 0x200>,
> - <0 0x088e9a00 0 0x100>;
> - #phy-cells = <0>;
> - #clock-cells = <0>;
> - clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> - clock-names = "pipe0";
> - clock-output-names = "usb3_phy_pipe_clk_src";
> - };
> + #clock-cells = <1>;
> + #phy-cells = <1>;
> +
> + status = "disabled";
> };
>
> remoteproc_slpi: remoteproc@2400000 {
> @@ -2972,8 +2960,8 @@ dispcc: clock-controller@af00000 {
> <&mdss_dsi0_phy 1>,
> <&mdss_dsi1_phy 0>,
> <&mdss_dsi1_phy 1>,
> - <0>, /* dp0 */
> - <0>,
> + <&usb_1_qmpphy QMP_USB43DP_DP_LINK_CLK>,
> + <&usb_1_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>,
> <0>, /* dp1 */
> <0>,
> <0>, /* dp2 */
> @@ -4153,7 +4141,7 @@ usb_1_dwc3: usb@a600000 {
> iommus = <&apps_smmu 0x0 0x0>;
> snps,dis_u2_susphy_quirk;
> snps,dis_enblslpm_quirk;
> - phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
> + phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
> phy-names = "usb2-phy", "usb3-phy";
> };
> };
>